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Twinned Brookite in Quartz
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Collection |
John Betts - Fine Minerals |
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Description |
Lustrous colorless Quartz crystals up to 15 mm intergrown with translucent dark red-brown bladed Brookite crystals up to 13 mm. The Brookite crystals actually grow completely through the Quartz and are twinned on the {011} plane. |
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Locality |
St. Gotthard, Kanton Uri, Switzerland |
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Dimensions |
4.5 x 4.0 x 2.0 cm. |
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Specimen Grade |
C |
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Photograph |
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